SA: Determining last sa-update

I believe this is another cPanel issue. Attempting to run sa-update displays: mkdir /etc/mail: Permission denied at /usr/bin/sa-update line 1226 How can I determine that last time sa-update was run?

SA: Determining last sa-update

I believe this is another cPanel issue. Attempting to run sa-update displays: mkdir /etc/mail: Permission denied at /usr/bin/sa-update line 1226 How can I determine that last time sa-update was run?